2016-10-12 18:48:03,902 INFO Using config files '['./DistUpgrade.cfg.trusty']'
2016-10-12 18:48:03,902 INFO uname information: 'Linux zhengwei-OptiPlex-7010 3.13.0-98-generic #145-Ubuntu SMP Sat Oct 8 20:13:07 UTC 2016 x86_64'
2016-10-12 18:48:04,220 INFO apt version: '1.0.1ubuntu2.14'
2016-10-12 18:48:04,220 INFO python version: '3.4.3 (default, Sep 14 2016, 12:36:27) 
[GCC 4.8.4]'
2016-10-12 18:48:04,222 INFO release-upgrader version '16.04.16' started
2016-10-12 18:48:04,228 INFO locale: 'en_US' 'UTF-8'
2016-10-12 18:48:04,232 INFO screen could not be run
2016-10-12 18:48:04,275 DEBUG Using 'DistUpgradeViewText' view
2016-10-12 18:48:04,315 DEBUG aufsOptionsAndEnvironmentSetup()
2016-10-12 18:48:04,317 DEBUG using '/tmp/upgrade-rw-sbumw_am' as aufs_rw_dir
2016-10-12 18:48:04,317 DEBUG using '/tmp/upgrade-chroot-owk46pko' as aufs chroot dir
2016-10-12 18:48:04,317 DEBUG enable dpkg --force-overwrite
2016-10-12 18:48:04,344 DEBUG creating statefile: '/var/log/dist-upgrade/apt-clone_system_state.tar.gz'
2016-10-12 18:48:06,797 DEBUG lsb-release: 'trusty'
2016-10-12 18:48:06,798 DEBUG _pythonSymlinkCheck run
2016-10-12 18:48:06,799 DEBUG openCache()
2016-10-12 18:48:06,799 DEBUG No such plugin directory: ./plugins
2016-10-12 18:48:06,799 DEBUG plugins for condition 'PreCacheOpen' are '[]'
2016-10-12 18:48:06,800 DEBUG plugins for condition 'xenialPreCacheOpen' are '[]'
2016-10-12 18:48:06,800 DEBUG plugins for condition 'from_trustyPreCacheOpen' are '[]'
2016-10-12 18:48:06,800 DEBUG quirks: running PreCacheOpen
2016-10-12 18:48:06,800 DEBUG running Quirks.PreCacheOpen
2016-10-12 18:48:07,325 DEBUG /openCache(), new cache size 75232
2016-10-12 18:48:07,326 DEBUG need_server_mode(): can not find a desktop meta package or key deps, running in server mode
2016-10-12 18:48:07,326 DEBUG checkViewDepends()
2016-10-12 18:48:07,326 DEBUG depends: 'apt (>= 1.0.1ubuntu2.13)'
2016-10-12 18:48:07,326 DEBUG checking: '[('apt', '1.0.1ubuntu2.13', '>=')]' 
2016-10-12 18:48:07,326 DEBUG depends: 'dpkg (>= 1.17.5ubuntu5.6)'
2016-10-12 18:48:07,326 DEBUG checking: '[('dpkg', '1.17.5ubuntu5.6', '>=')]' 
2016-10-12 18:48:07,326 DEBUG running doUpdate() (showErrors=False)
2016-10-12 18:48:26,666 DEBUG openCache()
2016-10-12 18:48:27,402 DEBUG /openCache(), new cache size 75232
2016-10-12 18:48:27,402 DEBUG doPostInitialUpdate
2016-10-12 18:48:27,403 DEBUG plugins for condition 'PostInitialUpdate' are '[]'
2016-10-12 18:48:27,403 DEBUG plugins for condition 'xenialPostInitialUpdate' are '[]'
2016-10-12 18:48:27,403 DEBUG plugins for condition 'from_trustyPostInitialUpdate' are '[]'
2016-10-12 18:48:28,836 DEBUG MetaPkgs: 
2016-10-12 18:48:31,335 DEBUG no PkgRecord found for 'libasan1', skipping 
2016-10-12 18:48:32,242 DEBUG Foreign: sogoupinyin
2016-10-12 18:48:32,242 DEBUG Obsolete: bcompare gcc-5-base gcc-5-base:i386 gcc-6-base google-chrome-stable libcilkrts5 liblsan0 libubsan0 mongodb-enterprise mongodb-enterprise-mongos mongodb-enterprise-server mongodb-enterprise-shell mongodb-enterprise-tools staruml sublime-text-installer zabbix-release
2016-10-12 18:48:32,243 DEBUG updateSourcesList()
2016-10-12 18:48:32,305 DEBUG rewriteSourcesList() with mirror_check
2016-10-12 18:48:32,305 DEBUG ['ubuntu-minimal', 'ubuntu-standard']
2016-10-12 18:48:32,305 DEBUG Checking pkg: ubuntu-minimal
2016-10-12 18:48:32,306 DEBUG Checking pkg: ubuntu-standard
2016-10-12 18:48:32,307 DEBUG examining: 'deb http://archive.ubuntu.com/ubuntu trusty main restricted'
2016-10-12 18:48:32,307 DEBUG entry 'deb http://archive.ubuntu.com/ubuntu xenial main restricted' updated to new dist
2016-10-12 18:48:32,308 DEBUG examining: 'deb http://archive.ubuntu.com/ubuntu trusty-updates main restricted'
2016-10-12 18:48:32,308 DEBUG entry 'deb http://archive.ubuntu.com/ubuntu xenial-updates main restricted' updated to new dist
2016-10-12 18:48:32,308 DEBUG examining: 'deb http://archive.ubuntu.com/ubuntu trusty universe'
2016-10-12 18:48:32,308 DEBUG entry 'deb http://archive.ubuntu.com/ubuntu xenial universe' updated to new dist
2016-10-12 18:48:32,308 DEBUG examining: 'deb http://archive.ubuntu.com/ubuntu trusty-updates universe'
2016-10-12 18:48:32,308 DEBUG entry 'deb http://archive.ubuntu.com/ubuntu xenial-updates universe' updated to new dist
2016-10-12 18:48:32,308 DEBUG examining: 'deb http://archive.ubuntu.com/ubuntu trusty multiverse'
2016-10-12 18:48:32,308 DEBUG entry 'deb http://archive.ubuntu.com/ubuntu xenial multiverse' updated to new dist
2016-10-12 18:48:32,308 DEBUG examining: 'deb http://archive.ubuntu.com/ubuntu trusty-updates multiverse'
2016-10-12 18:48:32,308 DEBUG entry 'deb http://archive.ubuntu.com/ubuntu xenial-updates multiverse' updated to new dist
2016-10-12 18:48:32,308 DEBUG examining: 'deb http://archive.ubuntu.com/ubuntu trusty-backports main restricted universe multiverse'
2016-10-12 18:48:32,308 DEBUG entry 'deb http://archive.ubuntu.com/ubuntu xenial-backports main restricted universe multiverse' updated to new dist
2016-10-12 18:48:32,308 DEBUG examining: 'deb http://archive.ubuntu.com/ubuntu trusty-security main restricted'
2016-10-12 18:48:32,308 DEBUG entry 'deb http://archive.ubuntu.com/ubuntu xenial-security main restricted' updated to new dist
2016-10-12 18:48:32,308 DEBUG examining: 'deb http://archive.ubuntu.com/ubuntu trusty-security universe'
2016-10-12 18:48:32,308 DEBUG entry 'deb http://archive.ubuntu.com/ubuntu xenial-security universe' updated to new dist
2016-10-12 18:48:32,309 DEBUG examining: 'deb http://archive.ubuntu.com/ubuntu trusty-security multiverse'
2016-10-12 18:48:32,309 DEBUG entry 'deb http://archive.ubuntu.com/ubuntu xenial-security multiverse' updated to new dist
2016-10-12 18:48:32,309 DEBUG examining: 'deb http://archive.canonical.com/ubuntu trusty partner'
2016-10-12 18:48:32,309 DEBUG entry 'deb http://archive.canonical.com/ubuntu xenial partner' updated to new dist
2016-10-12 18:48:32,309 DEBUG examining: 'deb-src http://archive.canonical.com/ubuntu trusty partner'
2016-10-12 18:48:32,309 DEBUG entry 'deb-src http://archive.canonical.com/ubuntu xenial partner' updated to new dist
2016-10-12 18:48:32,309 DEBUG examining: 'deb http://archive.ubuntukylin.com:10006/ubuntukylin trusty main'
2016-10-12 18:48:32,310 DEBUG entry '# deb http://archive.ubuntukylin.com:10006/ubuntukylin xenial main # disabled on upgrade to xenial' was disabled (unknown mirror)
2016-10-12 18:49:34,790 DEBUG running doUpdate() (showErrors=True)
2016-10-12 18:51:38,605 DEBUG openCache()
2016-10-12 18:51:38,606 DEBUG failed to SystemUnLock() (E:Not locked) 
2016-10-12 18:51:42,340 DEBUG /openCache(), new cache size 83475
2016-10-12 18:51:42,341 DEBUG need_server_mode(): can not find a desktop meta package or key deps, running in server mode
2016-10-12 18:51:45,792 ERROR Dist-upgrade failed: 'E:Error, pkgProblemResolver::Resolve generated breaks, this may be caused by held packages.'
2016-10-12 18:51:45,794 DEBUG abort called
2016-10-12 18:51:45,794 DEBUG openCache()
2016-10-12 18:51:49,027 DEBUG /openCache(), new cache size 75232
2016-10-12 18:51:49,027 DEBUG enabling apt cron job